UA1829
UA1829 (United Airlines) is a multi-stop service on 18 routes, busiest Denver to Houston. Of 1,272 departures recorded from October 2024 to July 2026, 82.2% left on time, according to the US BTS.
- On-time departures82.2%of 1,272 flights
- Average delay11.3 min
- July 202679▲ 29.5%vs July 2025
- Cancelled0.2%
- Legs flown under this number18
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 36 | 59 | ▲ 63.9% |
| February | 28 | 68 | ▲ 142.9% |
| March | 55 | 42 | ▼ 23.6% |
| April | 30 | 56 | ▲ 86.7% |
| May | 68 | 73 | ▲ 7.4% |
| June | 85 | 88 | ▲ 3.5% |
| July | 61 | 79 | ▲ 29.5% |
| August | 31 | – | – |
| September | 36 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 46 | – | – |
| Year to date (Jan–Jul) | 363 | 465 | ▲ 28.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 80.6% | 91.5% | ▲ 13.6% |
| February | 96.4% | 89.7% | ▼ 7.0% |
| March | 92.7% | 76.2% | ▼ 17.8% |
| April | 90.0% | 82.1% | ▼ 8.7% |
| May | 76.5% | 74.0% | ▼ 3.3% |
| June | 77.4% | 68.2% | ▼ 11.9% |
| July | 68.9% | 77.2% | ▲ 12.2% |
| August | 80.0% | – | – |
| September | 83.3% | – | – |
| October | 88.5% | – | in progress |
| November | 83.3% | – | – |
| December | 78.3% | – | – |
| Year-to-date average (Jan–Jul) | 83.2% | 79.8% | ▼ 4.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.8% 1,269
- Cancelled 0.2% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN IAH Denver International Airport – George Bush Intercontinental Airport | 1,387 | 14.1 min | 83.1% | 544 |
| SEA DEN Seattle–Tacoma International Airport – Denver International Airport | 1,645 | 4.1 min | 91.0% | 144 |
| IAH MIA George Bush Intercontinental Airport – Miami International Airport | 1,549 | 16.2 min | 72.9% | 140 |
| IAH RDU George Bush Intercontinental Airport – Raleigh-Durham International Airport | 1,675 | 18.2 min | 71.4% | 106 |
| RAP DEN Rapid City Regional Airport – Denver International Airport | 484 | 12.6 min | 75.0% | 72 |
| RNO DEN Reno Tahoe International Airport – Denver International Airport | 1,291 | 9.0 min | 88.9% | 46 |
| SFO DEN San Francisco International Airport – Denver International Airport | 1,553 | -0.7 min | 94.6% | 37 |
| SAN DEN San Diego International Airport – Denver International Airport | 1,371 | 0.5 min | 97.1% | 35 |
| SNA DEN John Wayne Orange County International Airport – Denver International Airport | 1,360 | -8.3 min | 96.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 45 | 45 | 91.1% | 0 |
| November 2024 | 88 | 88 | 92.1% | 0 |
| December 2024 | 76 | 76 | 86.8% | 0 |
| January 2025 | 36 | 36 | 80.6% | 0 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 55 | 55 | 92.7% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 68 | 68 | 76.5% | 0 |
| June 2025 | 85 | 84 | 77.4% | 1 |
| July 2025 | 61 | 61 | 68.9% | 0 |
| August 2025 | 31 | 30 | 80.0% | 1 |
| September 2025 | 36 | 36 | 83.3% | 0 |
| October 2025 | 62 | 61 | 88.5% | 1 |
| November 2025 | 60 | 60 | 83.3% | 0 |
| December 2025 | 46 | 46 | 78.3% | 0 |
| January 2026 | 59 | 59 | 91.5% | 0 |
| February 2026 | 68 | 68 | 89.7% | 0 |
| March 2026 | 42 | 42 | 76.2% | 0 |
| April 2026 | 56 | 56 | 82.1% | 0 |
| May 2026 | 73 | 73 | 74.0% | 0 |
| June 2026 | 88 | 88 | 68.2% | 0 |
| July 2026 | 79 | 79 | 77.2% | 0 |